參數(shù)資料
型號(hào)： ISL33003IUZ-T
廠商： Intersil
文件頁(yè)數(shù)： 1/18頁(yè)
文件大小： 0K
描述： IC BUS BUFF HOTSWAP 2WR 8MSOP
標(biāo)準(zhǔn)包裝： 2,500
類(lèi)型： 緩沖器
Tx/Rx類(lèi)型： I²C Logic
電容 - 輸入： 10pF
電源電壓： 2.3 V ~ 5.5 V
電流 - 電源： 4mA
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 帶卷 (TR)
配用： ISL33003MSOPEVAL1Z-ND - EVAL BOARD ISL33003 8MSOP
1
I2C Bus Buffer with Rise Time Accelerators and
Hot Swap Capability
ISL33001, ISL33002, ISL33003
The ISL33001, ISL33002, ISL33003 are 2-Channel Bus
Buffers provide the necessary buffering for extending the bus
capacitance beyond the 400pF maximum specified by the I2C
specification. In addition, the ISL33001, ISL33002, ISL33003
feature rise time accelerator circuitry to reduce power
consumption from passive bus pull-up resistors and improve
data-rate performance. All devices also include hot swap
circuitry to prevent corruption of the data and clock lines when
I2C devices are plugged into a live backplane and level
translation for mixed supply voltage applications.
The ISL33001, ISL33002, ISL33003 operates at supply
voltages from +2.3V to +5.5V at a temperature range of
-40°C to +85°C.
AN1543, “ISL33001EVAL1Z, ISL33002EVAL1Z,
ISL33003EVAL1Z Evaluation Board Manual”
AN1637, “Level Shifting Between 1.8V and 3.3V Using I2C
Buffers”
Features
2 Channel I2C compatible bi-directional buffer
+2.3VDC to +5.5VDC supply range
>400kHz operation
Bus capacitance buffering
Rise time accelerators
Hot-swapping capability
±6kV Class 3 HBM ESD protection on all pins
±12kV HBM ESD protection on SDA/SCL pins
Enable pin (ISL33001 and ISL33003)
Logic level translation (ISL33002 and ISL33003)
READY logic pin (ISL33001)
Accelerator disable pin (ISL33002)
Pb-free (RoHS Compliant) 8 Ld SOIC (ISL33001 only),
8 Ld TDFN (3mmx3mm) and 8 Ld MSOP packages
Low quiescent current . . . . . . . . . . . . . . . . . . . . . . . . 2.2mA typ
Low shutdown current . . . . . . . . . . . . . . . . . . . . . . . . 0.5A typ
Applications
I2C bus extender and capacitance buffering
Server racks for telecom, datacom, and computer servers
Desktop computers
Hot-swap board insertion and bus isolation
Summary of Features
PART
NUMBER
LEVEL
TRANSLATION
ENABLE
PIN
READY
PIN
ACCELERATOR
DISABLE
ISL33001
No
Yes
No
ISL33002
Yes
No
Yes
ISL33003
Yes
No
FIGURE 1. TYPICAL OPERATING CIRCUIT
FIGURE 2. BUS ACCELERATOR PERFORMANCE
GND
SDA
SCL
+3.3V
VCC2
C
BACK
PLANE
ISL33003
EN
VCC1
+5.0V
DEVICE
SDA
SCL
I2C
DEVICE
A
B
I2C
TIME (2s/DIV)
VOL
TAG
E
(
1
V/
DIV
)
100kHz I2C BUS WITH 2.7k PULL-UP RESISTOR
AND 400pF BUS CAPACITANCE
WITHOUT BUFFER
WITH BUFFER
December 19, 2013
FN7560.5
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas LLC. 2010 - 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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